<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card class="box-card">
      <el-row :gutter="20">
        <!--:gutter列与列间隔-->
        <el-col :span="8">
          <!--:sapn列与列之间的宽度-->
          <el-input v-model="queryInfo.query" clearable @clear="getUserlist">
            <el-button @click="getUserlist" slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
        <el-col :span="1">
          <el-button type="primary" @click="dialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column prop="username" label="姓名"></el-table-column>
        <el-table-column prop="email" label="邮箱"></el-table-column>
        <el-table-column prop="mobile" label="电话"></el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="fenpei(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog title="添加新用户" :visible.sync="dialogVisible" width="50%" @close="addDialogClosed">
      <el-form :model="addFrom" :rules="addFromRules" ref="addFromRef" label-width="100px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addFrom.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addFrom.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addFrom.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addFrom.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户的对话框 -->
    <el-dialog title="修改" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="100px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配权限对话框 -->
    <el-dialog title="分配角色" :visible.sync="fenpeidialog" width="50%" @close="fenpeidialogClose">
      <div>
        <p>当前用户：{{userinfo.username}}</p>
        <p>当前角色：{{userinfo.role_name}}</p>
        <p>
          分配新角色：
          <el-select v-model="selectvalue" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            ></el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="fenpeidialog = false">取 消</el-button>
        <el-button type="primary" @click="fenpeiInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      // const regEmail =  /^([a-zA-Z]|[0-9])(\w|\-)+@[a-zA-Z0-9]+\.([a-zA-Z]{2,4})$/;
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
      if (regEmail.test(value)) {
        //合法邮箱
        return cb();
      }
      cb(new Error("请输入合法的邮箱"));
    };
    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      var regMobile = /^[1][3,4,5,6,7,8,9][0-9]{9}$/;
      if (regMobile.test(value)) {
        //合法手机号
        return cb();
      }
      cb(new Error("请输入合法的手机号码"));
    };
    return {
      //获取用户列表
      queryInfo: {
        query: "",
        // 当前页数
        pagenum: 1,
        // 当前每页显示多少数据
        pagesize: 5,
        username: {},
        password: {},
        email: {},
        mobile: {}
      },
      userlist: [],
      total: 0,
      // 添加对话框的显示与隐藏
      dialogVisible: false,
      // 添加用户表单数据
      addFrom: {
        username: "",
        password: "",
        email: "",
        mobile: ""
      },
      // 添加表单验证规则对象
      addFromRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "用户名的长度在3~10个字符之间",
            trigger: "blur"
          }
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "用户名的长度在3~10个字符之间",
            trigger: "blur"
          }
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" }
        ],
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" }
        ]
      },
      //控制对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户信息对象
      editForm: {},
      // 修改表单的验证规则对象
      editFormRules: {
        email: [
          { required: true, message: "请输入用户邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" }
        ],
        mobile: [
          { required: true, message: "请输入用户手机", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" }
        ]
      },
      // 分配权限对话框显示与隐藏
      fenpeidialog: false,
      // 需要分配用户的信息
      userinfo: {},
      // 所有角色数据列表
      rolesList: [],
      //已选中的角色ID值
      selectvalue:''
    };
  },
  created() {
    this.getUserlist();
  },
  methods: {
    async getUserlist() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo
      });
      //  console.log(res);
      if (res.meta.status !== 200) {
        return this.$message.error("获取用户列表失败");
      }
      this.userlist = res.data.users;
      this.total = res.data.total;
    },
    // 监听pagesize改变的事件
    handleSizeChange(newsize) {
      this.queryInfo.pagesize = newsize;
      this.getUserlist();
    },
    handleCurrentChange(newpage) {
      this.queryInfo.pagenum = newpage;
      this.getUserlist();
    },
    // 监听
    async userStateChanged(userinfo) {
      // console.log(userinfo);
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state;
        return this.$message.error("更新用户状态失败");
      }
      this.$message.success("更新用户成功");
    },
    //发起网络请求添加新用户
    addUser() {
      this.$refs.addFromRef.validate(async valid => {
        //表单预验证
        if (!valid) return;
        const { data: res } = await this.$http.post("users", this.addFrom);
        // console.log(res);
        if (res.meta.status !== 201) return this.$message.error("添加用户失败");
        this.$message.success("添加用户成功");
        //隐藏对话框
        this.dialogVisible = false;
        //重新刷新列表
        this.getUserlist();
      });
    },
    //监听对话框的关闭重置按钮
    addDialogClosed() {
      this.$refs.addFromRef.resetFields();
    },
    //修改按钮
    async showEditDialog(id) {
      const { data: res } = await this.$http.get("users/" + id);
      if (res.meta.status !== 200) {
        return this.$message.error("查询用户信息失败");
      }
      this.editForm = res.data;
      this.editDialogVisible = true;
    },
    //监听对话框的关闭重置操作
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    //修改用户并提交
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return;
        const { data: res } = await this.$http.put(
          "users/" + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          }
        );
        if (res.meta.status !== 200) {
          return this.$message.error("修改用户失败");
        }
        //关闭对话框
        this.editDialogVisible = false;
        //刷新列表
        this.getUserlist();
        // 更新用户成功
        this.$message.success("更新用户成功");
      });
    },
    async removeUserById(id) {
      const confirmResult = await this.$confirm(
        "此操作将永久删除该用户, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }
      ).catch(error => {
        return error;
      });
      //如果用户确认删除则返回字符串confirm
      //如果用户取消删除，则返回字符串cancel
      if (confirmResult !== "confirm") {
        return this.$message.info("已取消删除");
      }
      const { data: res } = await this.$http.delete("users/" + id);
      if (res.meta.status !== 200) {
        return this.$message.error("删除用户失败");
      }
      this.$message.success("删除用户成功");
      //更新列表
      this.getUserlist();
    },
    // 展示分配角色对话框
    async fenpei(userinfo) {
      this.userinfo = userinfo;
      //在展开对话框之前，获取所有角色列表
      const { data: res } = await this.$http.get("roles");
      if (res.meta.status !== 200) {
        this.$message.error("获取角色列表失败");
      }
      this.rolesList = res.data;

      this.fenpeidialog = true;
    },
    //点击按钮分配角色
    async fenpeiInfo(){
      if(!this.selectvalue){
        return this.$message.error('请选择分配角色')
      }
      const {data:res} = await this.$http.put(`users/${this.userinfo.id}/role`,{
        rid:this.selectvalue
      })
     if(res.meta.status !==200){
       return this.$message.error('设置角色失败')
     }
     this.$message.success('设置角色成功')
     this.getUserlist()
     this.fenpeidialog = false
    },
  fenpeidialogClose(){
    this.selectvalue = ''
    this.userinfo = {}
  }
  }
};
</script>

<style lang="less" scoped>
</style>